Gas cap for vehicle tanks



FIG. 1 is a perspective view of the gas cap for vehicle tanks;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of one side thereof, the opposite sidebeing substantially a mirror image thereto;

FIG. 4 is an elevational view of one end thereof; and

FIG. 5 is an elevational view of the opposite end thereof.

The ornamental design for a gas cap for vehicle tanks, as shown anddescribed.